E.D.M. is music known by three simple letters and it’s one of the fastest-growing musical genres in the world. It stands for Electronic Dance Music and it’s typically produced by disc jockeys.

CCTV’s Hendrik Sybrandy got an up-close look at this phenomenon in the U.S. state of Colorado.

The music is popular at festivals and nightclubs, where some of these E.D.M. DJ’s are now multi-millionaires.

Listen to what E.D.M. sounds like: